nat-monitor

Monitors a quorum of NAT servers for an outage and reassigns the specified EC2 route table to point to a working server.

Installation

Add this line to your application's Gemfile:

gem 'nat-monitor'

And then execute:

$ bundle

Or install it yourself as:

$ gem install nat-monitor

Usage

Run it as a service after creating the configuration YAML file.

E.g.:

$ nat-monitor [OPTIONAL CONF_FILE]

By default it will check /etc/nat_monitor.yml for its configuration.

Example Configuration

---
route_table_id: rtb-00000001
nodes:
  i-00000001: 10.0.0.1
  i-00000002: 10.0.1.1
  i-00000003: 10.0.2.1

Optional properties include:

pings: 3
ping_timeout: 1
heartbeat_interval: 10

Contributing

1. Fork it ( https://github.com/[my-github-username]/nat-monitor/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request